If a current of 0.5 ampere flows through a metallic wire for 2 hours, then how many electrons would flow through the wire?
Q=It
Where Q= no. of electron
I= current
t= time taken
Q=0.5A×72005
=3600C
As 96487C=6.023×1023 no. of electron
⇒3600C=6.023×1023×360096487=2.25×1022 no. of electron